package com.heima.user.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.heima.model.common.dtos.ResponseResult;
import com.heima.model.common.enums.AppHttpCodeEnum;
import com.heima.model.user.dtos.LoginDto;
import com.heima.model.user.pojos.ApUser;
import com.heima.user.mapper.ApUserMapper;
import com.heima.user.service.ApUserService;
import com.heima.utils.common.AppJwtUtil;
import org.springframework.stereotype.Service;
import org.springframework.util.DigestUtils;

import java.util.HashMap;
import java.util.Map;

@Service
public class ApUserServiceImpl extends ServiceImpl<ApUserMapper, ApUser> implements ApUserService {
    @Override
    public ResponseResult login(LoginDto dto) {

        //1.正常登录（手机号+密码登录）
        if (StringUtils.isNotBlank(dto.getPhone()) && StringUtils.isNotBlank(dto.getPhone())) {
            //1.1查询用户
            LambdaQueryWrapper<ApUser> queryWrapper = new LambdaQueryWrapper<>();
            queryWrapper.eq(ApUser::getPhone, dto.getPhone());
            ApUser apUser = getOne(queryWrapper);
            if (apUser == null) {
                return ResponseResult.errorResult(AppHttpCodeEnum.DATA_NOT_EXIST, "用户不存在");
            }
            //1.2 比对密码

            String salt = apUser.getSalt();
            String password = dto.getPassword();
            password = DigestUtils.md5DigestAsHex((password + salt).getBytes());
            if (!password.equals(apUser.getPassword())) {
                return ResponseResult.errorResult(AppHttpCodeEnum.LOGIN_PASSWORD_ERROR);
            }
            //1.3 返回数据  jwt
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(apUser.getId().longValue()));
            apUser.setSalt("");
            apUser.setPassword("");
            map.put("user", apUser);
            return ResponseResult.okResult(map);
        } else {

            //2.游客  同样返回token  id = 0
            Map<String, Object> map = new HashMap<>();
            map.put("token", AppJwtUtil.getToken(0l));
            return ResponseResult.okResult(map);

        }


    }

    public static void main(String[] args) {
        String password = "suwukong";
        String salt = "123";
        String s = DigestUtils.md5DigestAsHex((password + salt).getBytes());
        //String s = MD5Utils.encodeWithSalt(password, salt);
        System.out.println("s==============="+s);
    }
}

